Zopaque
二氧化钛
🗣️ 情景例句
Macro adjustment is needed in a market economy.
市场经济需要宠观调控。
Won't you come in, please?
请进来好吗？
at eighty can knock us out, and into our grave.
能到了80岁可能会使我们一蹶不振而进入坟墓。